Not a month goes by without an outburst of violence in the workplace -- now even in flower nurseries, pizza parlors and law offices

America has been hard at work in the past 10 days, and here is what happened: a Federal Express pilot took a claw hammer and attacked three others in the cockpit, forcing one of them to put the fully loaded DC-10 cargo plane through a series of violent rolls and nose dives in a melee that brought the whole crew back bleeding. A purchasing manager in suburban Chicago stabbed his boss to death because, police say, they couldn't agree on how to handle some paperwork. And a technician who quit because he had trouble working for a woman sneaked back inside...